The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
Background: The extracellular volume (ECV) calculated by T1 mapping, and tissue-tracking strain using cardiac magnetic resonance (CMR) are useful for assessing the left ventricular (LV) function. However, those parameters are controversial for assessing left atrial (LA) function. This study aimed to...
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doaj-40c149b180df4a6abd9539e455b85f9f2020-11-25T02:15:42ZengElsevierInternational Journal of Cardiology: Heart & Vasculature2352-90672020-02-0126The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunctionHideki Koike0Satoru Kishi1Naoki Hosoda2Shuhei Takemoto3Daijiro Tomii4Kai Ninomiya5Tetsu Tanaka6Masahiko Asami7Kazuyuki Yahagi8Kota Komiyama9Jun Tanaka10Hitomi Yuzawa11Rine Nakanishi12Tadashi Fujino13Jiro Aoki14Bharath A. Venkatesh15João A.C. Lima16Kengo Tanabe17Takanori Ikeda18Division of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, Japan; Corresponding author at: Division of Cardiology, Mitsui Memorial Hospital, Kanda-Izumi-cho 1, Chiyoda-ku, Tokyo 101-8643, Japan.Division of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanCanon Medical Systems Corporation, Kanagawa, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDepartment of Cardiovascular Medicine, Toho University Graduate School of Medicine, Tokyo, JapanDepartment of Cardiovascular Medicine, Toho University Graduate School of Medicine, Tokyo, JapanDepartment of Cardiovascular Medicine, Toho University Graduate School of Medicine, Tokyo, JapanDivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanJohns Hopkins University, Baltimore, USAJohns Hopkins University, Baltimore, USADivision of Cardiology, Mitsui Memorial Hospital, Tokyo, JapanDepartment of Cardiovascular Medicine, Toho University Graduate School of Medicine, Tokyo, JapanBackground: The extracellular volume (ECV) calculated by T1 mapping, and tissue-tracking strain using cardiac magnetic resonance (CMR) are useful for assessing the left ventricular (LV) function. However, those parameters are controversial for assessing left atrial (LA) function. This study aimed to investigate the usefulness of CMR to evaluate the LA function using those parameters. Furthermore, those LA function parameters were compared in each LV function. Methods: A total of 65 consecutive patients who underwent contrast CMR were prospectively enrolled (age 55.7 ± 14. 6 years, males 67.7%). Among the 65 patients, there were 15 without hypertension, diabetes, or atrial fibrillation (Healthy group). The remaining 50 patients were divided into two groups according to a left ventricular ejection fraction (LVEF) of 50%. We assessed the correlations between the LV- and LA-CMR parameters among the three groups (LVEF < 50%; n = 20, LVEF ≥ 50%; n = 30, and Healthy; n = 15). Results: The LA-longitudinal strain for an LVEF < 50% was lower than that for the others (LVEF < 50%; 13.6 ± 7.9%, LVEF ≥ 50%; 24. 5 ± 13.5%, Healthy; 24.5 ± 9.8%, p = 0.003). However, the LA-ECV did not significantly differ among the three groups (LVEF < 50%; 50.3 ± 3.6%, LVEF ≥ 50%; 53.1 ± 4.9%, Healthy; 53.2 ± 6.5%, p = 0.12). A multiple regression model after adjusting for the patient background revealed that a worse LA-longitudinal strain was correlated with a low LVEF and large LA-volume, but the LA-ECV was not associated with those. Conclusions: The LA-strain in LV dysfunction patients was significantly lower. However, the LA-ECV did not significantly differ from that in those without LV dysfunction. Tissue-tracking strain is more useful for evaluating the LA dysfunction than T1 mapping. Keywords: Left atrial function, T1 mapping, Tissue-tracking strain, Extracellular volume, Cardiac magnetic resonancehttp://www.sciencedirect.com/science/article/pii/S235290671930209X |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Hideki Koike Satoru Kishi Naoki Hosoda Shuhei Takemoto Daijiro Tomii Kai Ninomiya Tetsu Tanaka Masahiko Asami Kazuyuki Yahagi Kota Komiyama Jun Tanaka Hitomi Yuzawa Rine Nakanishi Tadashi Fujino Jiro Aoki Bharath A. Venkatesh João A.C. Lima Kengo Tanabe Takanori Ikeda |
spellingShingle |
Hideki Koike Satoru Kishi Naoki Hosoda Shuhei Takemoto Daijiro Tomii Kai Ninomiya Tetsu Tanaka Masahiko Asami Kazuyuki Yahagi Kota Komiyama Jun Tanaka Hitomi Yuzawa Rine Nakanishi Tadashi Fujino Jiro Aoki Bharath A. Venkatesh João A.C. Lima Kengo Tanabe Takanori Ikeda The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction International Journal of Cardiology: Heart & Vasculature |
author_facet |
Hideki Koike Satoru Kishi Naoki Hosoda Shuhei Takemoto Daijiro Tomii Kai Ninomiya Tetsu Tanaka Masahiko Asami Kazuyuki Yahagi Kota Komiyama Jun Tanaka Hitomi Yuzawa Rine Nakanishi Tadashi Fujino Jiro Aoki Bharath A. Venkatesh João A.C. Lima Kengo Tanabe Takanori Ikeda |
author_sort |
Hideki Koike |
title |
The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction |
title_short |
The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction |
title_full |
The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction |
title_fullStr |
The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction |
title_full_unstemmed |
The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction |
title_sort |
impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction |
publisher |
Elsevier |
series |
International Journal of Cardiology: Heart & Vasculature |
issn |
2352-9067 |
publishDate |
2020-02-01 |
description |
Background: The extracellular volume (ECV) calculated by T1 mapping, and tissue-tracking strain using cardiac magnetic resonance (CMR) are useful for assessing the left ventricular (LV) function. However, those parameters are controversial for assessing left atrial (LA) function. This study aimed to investigate the usefulness of CMR to evaluate the LA function using those parameters. Furthermore, those LA function parameters were compared in each LV function. Methods: A total of 65 consecutive patients who underwent contrast CMR were prospectively enrolled (age 55.7 ± 14. 6 years, males 67.7%). Among the 65 patients, there were 15 without hypertension, diabetes, or atrial fibrillation (Healthy group). The remaining 50 patients were divided into two groups according to a left ventricular ejection fraction (LVEF) of 50%. We assessed the correlations between the LV- and LA-CMR parameters among the three groups (LVEF < 50%; n = 20, LVEF ≥ 50%; n = 30, and Healthy; n = 15). Results: The LA-longitudinal strain for an LVEF < 50% was lower than that for the others (LVEF < 50%; 13.6 ± 7.9%, LVEF ≥ 50%; 24. 5 ± 13.5%, Healthy; 24.5 ± 9.8%, p = 0.003). However, the LA-ECV did not significantly differ among the three groups (LVEF < 50%; 50.3 ± 3.6%, LVEF ≥ 50%; 53.1 ± 4.9%, Healthy; 53.2 ± 6.5%, p = 0.12). A multiple regression model after adjusting for the patient background revealed that a worse LA-longitudinal strain was correlated with a low LVEF and large LA-volume, but the LA-ECV was not associated with those. Conclusions: The LA-strain in LV dysfunction patients was significantly lower. However, the LA-ECV did not significantly differ from that in those without LV dysfunction. Tissue-tracking strain is more useful for evaluating the LA dysfunction than T1 mapping. Keywords: Left atrial function, T1 mapping, Tissue-tracking strain, Extracellular volume, Cardiac magnetic resonance |
url |
http://www.sciencedirect.com/science/article/pii/S235290671930209X |
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